It's a subject that gets right up the nose of 12 million people in the UK, hayfever! This can be a miserable time of year, especially in The Midlands where we have the highest pollen levels in the country.

What's more this year levels are expected to peak higher than in 50 years and it's all down to the weather. The cold spring meant a late start to tree pollen season allowing several pollens to combine and peak at the same time.

Lucy Kite has been meeting the Midlands scientist Beverley Adams-Groom from the National Pollen and Aerobiology research unit at Worcester University who told us why pollen levels are so high...